Alert archive / Montana / 2018
Weather alerts in Montana, April 2018
143 weather alerts in April 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in April 2018. Tap one for its archive.
- Alerts
- 143
- Warnings
- 45
- Watches
- 11
- Advisories
- 54
- Busiest day
- April 29, 201821 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 3:09 AM MDT | Winter Storm Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 2 more | 48 hr |
| Apr 1, 3:14 AM MDT | Winter Storm Warning | TFX | 42 hr | |
| Apr 1, 3:14 AM MDT | Winter Weather Advisory | TFX | 51 hr | |
| Apr 1, 3:30 AM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 50 hr |
| Apr 1, 3:49 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 50 hr |
| Apr 1, 2:21 PM MDT | Winter Weather Advisory | GGW | Phillips, Richland, Roosevelt, Valley | 13 hr |
| Apr 2, 3:40 AM MDT | Winter Weather Advisory | GGW | Phillips | 19 hr |
| Apr 2, 5:35 AM MDT | Special Weather Statement | MSO | Missoula | 40 min |
| Apr 2, 8:36 AM MDT | Areal Flood Advisory | GGW | Phillips | 48 hr |
| Apr 2, 3:52 PM MDT | Special Weather Statement | MSO | Missoula | 23 min |
| Apr 2, 5:33 PM MDT | Special Weather Statement | TFX | Cascade | 57 min |
| Apr 4, 2:23 AM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Powder River and 5 more | 61 hr |
| Apr 4, 8:24 AM MDT | Areal Flood Warning | GGW | Phillips | 72 hr |
| Apr 4, 1:48 PM MDT | Winter Weather Advisory | GGW | Petroleum | 43 hr |
| Apr 4, 2:39 PM MDT | Winter Storm Watch | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 4 more | 21 hr |
| Apr 4, 2:39 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 1 more | 21 hr |
| Apr 4, 2:39 PM MDT | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 45 hr |
| Apr 4, 2:58 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 45 hr |
| Apr 4, 3:15 PM MDT | Winter Storm Watch | TFX | 22 hr | |
| Apr 4, 3:15 PM MDT | Winter Weather Advisory | TFX | 47 hr | |
| Apr 5, 12:07 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 3 more | 24 hr |
| Apr 5, 1:07 PM MDT | Winter Storm Warning | TFX | 23 hr | |
| Apr 5, 1:30 PM MDT | Special Weather Statement | TFX | Judith Basin | 60 min |
| Apr 5, 2:30 PM MDT | Special Weather Statement | TFX | Chouteau, Fergus, Judith Basin, Pondera, Toole | 60 min |
| Apr 5, 2:58 PM MDT | Wind Chill Advisory | GGW | Daniels, Sheridan, Valley | 18 hr |
| Apr 5, 3:31 PM MDT | Special Weather Statement | TFX | Chouteau, Judith Basin, Pondera, Toole | 119 min |
| Apr 6, 2:28 PM MDT | Winter Weather Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 45 hr |
| Apr 6, 2:48 PM MDT | Winter Weather Advisory | TFX | 36 hr | |
| Apr 7, 4:14 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 4 days |
| Apr 7, 1:51 PM MDT | Special Weather Statement | MSO | 39 min | |
| Apr 7, 2:52 PM MDT | Winter Weather Advisory | BYZ | Custer, Fallon | 19 hr |
| Apr 7, 3:48 PM MDT | Special Weather Statement | MSO | Deer Lodge, Granite, Silver Bow | 72 min |
| Apr 7, 4:16 PM MDT | Special Weather Statement | TFX | Cascade | 29 min |
| Apr 7, 8:37 PM MDT | Special Weather Statement | BYZ | Park, Stillwater, Sweet Grass | 53 min |
| Apr 7, 10:18 PM MDT | Special Weather Statement | BYZ | Big Horn, Carbon, Rosebud, Treasure, Yellowstone | 117 min |
| Apr 10, 2:28 PM MDT | Winter Storm Watch | TFX | 24 hr | |
| Apr 10, 2:58 PM MDT | Winter Storm Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 36 hr |
| Apr 11, 3:28 AM MDT | Winter Storm Watch | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 2 more | 24 hr |
| Apr 11, 7:16 AM MDT | Special Weather Statement | TFX | Madison | 44 min |
| Apr 11, 12:48 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 29 hr |
| Apr 11, 2:15 PM MDT | Winter Storm Watch | TFX | 14 hr | |
| Apr 11, 2:15 PM MDT | Winter Storm Warning | TFX | 37 hr | |
| Apr 11, 2:15 PM MDT | Winter Weather Advisory | TFX | 34 hr | |
| Apr 11, 3:15 PM MDT | Winter Storm Warning | BYZ | Carbon, Carter, Custer, Fallon, Golden Valley, Musselshell and 6 more | 48 hr |
| Apr 11, 7:36 PM MDT | Areal Flood Advisory | TFX | Blaine, Chouteau, Hill, Liberty | 5 days |
| Apr 11, 7:57 PM MDT | River Flood Warning | TFX | Blaine | 12 hr |
| Apr 12, 2:36 AM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Park, Powder River, Rosebud, Stillwater and 1 more | 36 hr |
| Apr 12, 3:08 AM MDT | Winter Storm Warning | GGW | Dawson, Garfield, Petroleum, Prairie, Wibaux | 33 hr |
| Apr 12, 3:08 AM MDT | Winter Weather Advisory | GGW | McCone, Phillips, Richland | 33 hr |
| Apr 12, 12:14 PM MDT | Areal Flood Advisory | TFX | Pondera, Teton | 4 days |
| Apr 12, 1:49 PM MDT | Special Weather Statement | TFX | Glacier, Pondera, Teton, Toole | 56 min |
| Apr 12, 3:18 PM MDT | Areal Flood Warning | BYZ | Carter, Fallon | 71 hr |
| Apr 12, 3:30 PM MDT | Areal Flood Advisory | GGW | Phillips | 44 hr |
| Apr 12, 4:38 PM MDT | Special Weather Statement | TFX | Beaverhead | 3 hr |
| Apr 12, 4:50 PM MDT | Areal Flood Advisory | GGW | Petroleum | 9 days |
| Apr 13, 3:38 AM MDT | Winter Weather Advisory | TFX | 6 hr | |
| Apr 13, 12:28 PM MDT | Areal Flood Warning | GGW | Valley | 44 hr |
| Apr 14, 12:13 PM MDT | Areal Flood Advisory | TFX | Glacier, Toole | 45 hr |
| Apr 14, 4:20 PM MDT | River Flood Warning | TFX | Hill | 8 days |
| Apr 15, 7:26 AM MDT | Areal Flood Advisory | TFX | Fergus | 4 days |
| Apr 15, 7:32 AM MDT | Areal Flood Advisory | TFX | Judith Basin | 26 hr |
| Apr 15, 9:45 AM MDT | River Flood Warning | TFX | Blaine | 13 days |
| Apr 15, 11:17 AM MDT | Flood Watch | GGW | Phillips, Valley | 70 hr |
| Apr 15, 12:46 PM MDT | River Flood Watch | TFX | 32 hr | |
| Apr 15, 9:37 PM MDT | River Flood Warning | TFX | Blaine | 4 days |
| Apr 16, 3:29 AM MDT | Winter Weather Advisory | GGW | Daniels, Valley | 39 hr |
| Apr 16, 3:47 AM MDT | Areal Flood Warning | GGW | Phillips, Valley | 9 days |
| Apr 16, 8:03 AM MDT | Areal Flood Warning | GGW | Valley | 64 hr |
| Apr 16, 9:52 AM MDT | Areal Flood Advisory | TFX | Blaine, Hill, Liberty | 35 hr |
| Apr 16, 11:29 AM MDT | Special Weather Statement | MSO | Missoula | 31 min |
| Apr 16, 12:06 PM MDT | Areal Flood Advisory | TFX | Pondera, Toole | 53 hr |
| Apr 16, 1:46 PM MDT | Winter Weather Advisory | MSO | Mineral, Missoula, Sanders | 22 hr |
| Apr 16, 3:49 PM MDT | Areal Flood Advisory | TFX | Glacier | 4 days |
| Apr 16, 4:42 PM MDT | High Wind Warning | BYZ | Carter, Fallon | 7 hr |
| Apr 17, 8:15 AM MDT | Areal Flood Advisory | TFX | Teton | 48 hr |
| Apr 17, 3:08 PM MDT | River Flood Warning | GGW | Valley | 3 days |
| Apr 17, 3:08 PM MDT | River Flood Warning | GGW | Phillips | 13 days |
| Apr 17, 3:08 PM MDT | River Flood Warning | GGW | Phillips, Valley | 15 days |
| Apr 17, 3:08 PM MDT | River Flood Warning | GGW | Valley | 17 days |
| Apr 17, 3:08 PM MDT | River Flood Warning | GGW | Valley | 20 days |
| Apr 17, 3:08 PM MDT | River Flood Warning | GGW | Valley | 19 days |
| Apr 17, 4:08 PM MDT | River Flood Warning | TFX | Hill | 9 days |
| Apr 17, 6:58 PM MDT | River Flood Warning | TFX | Blaine, Hill | 16 hr |
| Apr 17, 8:24 PM MDT | Areal Flood Warning | TFX | Blaine, Hill | 10 days |
| Apr 17, 8:28 PM MDT | Areal Flood Advisory | TFX | Liberty | 21 hr |
| Apr 18, 8:55 AM MDT | River Flood Warning | GGW | Phillips | 13 days |
| Apr 18, 4:49 PM MDT | Areal Flood Warning | TFX | Liberty, Toole | 5 days |
| Apr 18, 5:29 PM MDT | Areal Flood Advisory | TFX | Pondera | 4 days |
| Apr 18, 8:44 PM MDT | River Flood Watch | TFX | 37 hr | |
| Apr 18, 8:44 PM MDT | River Flood Watch | TFX | 17 hr | |
| Apr 19, 7:13 AM MDT | Dense Fog Advisory | GGW | Daniels, Dawson, Richland, Roosevelt, Sheridan, Valley | 4 hr |
| Apr 19, 10:38 AM MDT | Areal Flood Advisory | GGW | Sheridan | 58 hr |
| Apr 19, 11:25 AM MDT | River Flood Warning | TFX | Blaine, Hill | 6 days |
| Apr 19, 2:23 PM MDT | High Wind Watch | TFX | 37 hr | |
| Apr 20, 1:53 PM MDT | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more | 31 hr |
| Apr 20, 2:25 PM MDT | Areal Flood Advisory | TFX | Glacier | 5 days |
| Apr 20, 2:30 PM MDT | River Flood Warning | TFX | Blaine | 29 hr |
| Apr 21, 3:08 AM MDT | High Wind Warning | TFX | 17 hr | |
| Apr 21, 9:42 AM MDT | Areal Flood Advisory | GGW | Phillips | 45 hr |
| Apr 22, 8:54 AM MDT | Areal Flood Advisory | TFX | Madison | 53 hr |
| Apr 22, 2:25 PM MDT | Winter Weather Advisory | TFX | 25 hr | |
| Apr 22, 2:36 PM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 25 hr |
| Apr 22, 7:26 PM MDT | Areal Flood Advisory | TFX | Meagher | 14 days |
| Apr 23, 6:07 AM MDT | Special Weather Statement | BYZ | Wheatland | 83 min |
| Apr 23, 6:25 AM MDT | Areal Flood Advisory | GGW | Phillips | 57 hr |
| Apr 23, 3:20 PM MDT | Winter Weather Advisory | BYZ | Carter, Powder River, Rosebud | 15 hr |
| Apr 25, 1:57 PM MDT | Areal Flood Warning | GGW | Phillips, Valley | 64 hr |
| Apr 25, 2:07 PM MDT | Areal Flood Warning | GGW | Phillips, Valley | 64 hr |
| Apr 27, 8:27 AM MDT | Areal Flood Advisory | TFX | Lewis and Clark | 60 hr |
| Apr 27, 10:31 AM MDT | Areal Flood Warning | TFX | Blaine | 72 hr |
| Apr 27, 2:01 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 29 hr |
| Apr 28, 2:56 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Phillips, Prairie, Richland and 4 more | 17 hr |
| Apr 28, 2:44 PM MDT | Special Weather Statement | MSO | Deer Lodge | 31 min |
| Apr 28, 5:28 PM MDT | Special Weather Statement | TFX | Judith Basin | 32 min |
| Apr 28, 11:05 PM MDT | Special Weather Statement | TFX | Fergus | 25 min |
| Apr 28, 11:35 PM MDT | Special Weather Statement | TFX | Blaine | 55 min |
| Apr 29, 8:47 AM MDT | Areal Flood Warning | MSO | Missoula | 21 days |
| Apr 29, 10:12 AM MDT | Areal Flood Advisory | TFX | Lewis and Clark | 10 hr |
| Apr 29, 10:35 AM MDT | Areal Flood Advisory | BYZ | Park | 48 hr |
| Apr 29, 12:40 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Powder River, Rosebud | 3 hr |
| Apr 29, 1:56 PM MDT | Special Weather Statement | BYZ | Big Horn | 49 min |
| Apr 29, 2:24 PM MDT | Winter Weather Advisory | TFX | 20 hr | |
| Apr 29, 2:29 PM MDT | Special Weather Statement | BYZ | 46 min | |
| Apr 29, 2:30 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 20 hr |
| Apr 29, 2:55 PM MDT | Special Weather Statement | BYZ | 50 min | |
| Apr 29, 3:16 PM MDT | Special Weather Statement | BYZ | Powder River | 44 min |
| Apr 29, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 53 min |
| Apr 29, 4:05 PM MDT | Special Weather Statement | BYZ | 25 min | |
| Apr 29, 4:21 PM MDT | Special Weather Statement | BYZ | Powder River | 39 min |
| Apr 29, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 41 min |
| Apr 29, 5:03 PM MDT | Special Weather Statement | GGW | Prairie | 27 min |
| Apr 29, 5:06 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Dawson, Fallon, Powder River, Prairie and 1 more | 2 hr |
| Apr 29, 5:20 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 40 min |
| Apr 29, 5:25 PM MDT | Special Weather Statement | BYZ | Carter | 65 min |
| Apr 29, 5:58 PM MDT | Special Weather Statement | GGW | Prairie | 47 min |
| Apr 29, 6:05 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 55 min |
| Apr 29, 6:46 PM MDT | Special Weather Statement | GGW | Dawson, Richland, Wibaux | 44 min |
| Apr 29, 7:07 PM MDT | Areal Flood Warning | GGW | Dawson, Garfield, McCone, Prairie, Richland, Wibaux | 3 hr |
| Apr 29, 7:45 PM MDT | Special Weather Statement | GGW | Dawson, Richland | 60 min |
| Apr 29, 8:07 PM MDT | Areal Flood Advisory | TFX | Lewis and Clark | 11 days |
| Apr 30, 3:15 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 24 hr |
| Apr 30, 1:59 PM MDT | Areal Flood Advisory | MSO | Missoula, Powell | 43 hr |
| Apr 30, 5:34 PM MDT | Areal Flood Advisory | MSO | Missoula, Powell | 4 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 4 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 31 |
| Flooding | |
| Areal Flood Warning | 13 |
| River Flood Warning | 15 |
| Flood Watch | 1 |
| River Flood Watch | 3 |
| Areal Flood Advisory | 26 |
| Winter | |
| Winter Storm Warning | 10 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 24 |
| Cold | |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Lake Wind Advisory | 1 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Phillips County21
- Valley County20
- Missoula County15
- Dawson County11
- Prairie County11
- Powder River County11
- Blaine County11
- Park County10
- Carbon County9
- Carter County9
- Rosebud County9
- Stillwater County9
- Sweet Grass County9
- Deer Lodge County9
- Granite County9
- Powell County9
- Richland County9
- Wibaux County8
- Silver Bow County8
- McCone County7
- Petroleum County7
- Big Horn County7
- Custer County7
- Fallon County7
- Flathead County7
- Lake County7
- Sanders County7
- Hill County7
- Garfield County6
- Wheatland County6
- Mineral County6
- Pondera County6
- Toole County6
- Treasure County5
- Judith Basin County5
- Daniels County5
- Sheridan County5
- Golden Valley County4
- Musselshell County4
- Lincoln County4
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.